Granted Patent
Utility
US 6,794,874 · App. 10/259,186
Multiple tuning circuit and probe having multiple tuning circuit for NMR spectrometer
Inventor:
Kenichi Hasegawa
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Sep 27, 2002
Inventor
Kenichi Hasegawa
Assignee (at issue)
JEOL Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.